<!--用车申请页-->
<template>
  <div style="height: 6vh;background-color:#fff;padding:10px 20px;">
    <span style="line-height:60px;font-size:20px;">申请单列表</span>
    <el-button type="primary" style="float:right;margin-top:13px;"
               @click="addApplicationDialogVisible=true"
               :disabled="user.parentId==null">申请用车
    </el-button>
    <!-- 如果一个人没有上级，说明是总裁，禁用此申请用车按钮，也可使用v-if让此按钮消失   -->
  </div>
  <!-- 申请用车弹窗 -->
  <el-dialog title="创建申请单" v-model="addApplicationDialogVisible"
             style="width:1000px;padding:40px;" :before-close="handleClose">
    <el-form label-width="80px" label-position="top">
      <el-row :gutter="30">
        <el-col :span="12">
          <el-form-item label="用车人">
            <el-input readonly :value="user.username"></el-input>
          </el-form-item>
        </el-col>
        <el-col :span="12">
          <el-form-item label="使用时间">
            <el-date-picker
                type="datetimerange"
                range-separator="至"
                start-placeholder="开始日期"
                end-placeholder="结束日期"
                value-format="YYYY-MM-DD HH:mm:ss"
                format="YYYY-MM-DD HH:mm:ss"
                v-model="times"
            ></el-date-picker>
          </el-form-item>
        </el-col>
      </el-row>
      <el-row :gutter="30">
        <el-col :span="12">
          <el-form-item label="车辆出发地">
            <el-input placeholder="请输入" v-model="addForm.departureAddr"></el-input>
          </el-form-item>
        </el-col>
        <el-col :span="12">
          <el-form-item label="车辆目的地">
            <el-input placeholder="请输入" v-model="addForm.destinationAddr"></el-input>
          </el-form-item>
        </el-col>
      </el-row>
      <el-row :gutter="30">
        <el-col :span="12">
          <el-form-item label="用车事由">
            <el-input placeholder="请输入" type="textarea" resize="none" :rows="3"
                      v-model="addForm.reason"></el-input>
          </el-form-item>
        </el-col>
        <el-col :span="12">
          <el-form-item label="备注">
            <el-input placeholder="请输入" type="textarea" resize="none" :rows="3"
                      v-model="addForm.remark"></el-input>
          </el-form-item>
        </el-col>
      </el-row>
      <el-row :gutter="30">
        <el-col :span="12">
          <el-form-item label="驾照">
            <el-upload
                v-model:file-list="fileList"
                v-model:action="actionUrl"
                name="file"
                limit="1"
                list-type="picture-card"
                :on-preview="handlePictureCardPreview"
                :on-remove="handleRemove"
            >
              <el-icon>
                <Plus/>
              </el-icon>
            </el-upload>
            <el-dialog v-model="dialogVisible">
              <img w-full :src="dialogImageUrl"/>
            </el-dialog>
          </el-form-item>
        </el-col>
        <el-col :span="12">
          <el-form-item label="审批人">
            <el-row :gutter="10">
              <el-col :span="12" v-if="auditUserOpts.length>0">
                <el-tag type="primary">
                  <el-icon style="margin-right:5px;position:relative;top:2px;">
                    <User/>
                  </el-icon>
                  <span>{{auditUserOpts[0].username}}</span>
                </el-tag>
              </el-col>
              <el-col :span="12" v-if="auditUserOpts.length>1">
                <el-tag type="primary">
                  <el-icon style="margin-right:5px;position:relative;top:2px;">
                    <User/>
                  </el-icon>
                  <span>{{auditUserOpts[1].username}}</span>
                </el-tag>
              </el-col>
            </el-row>
          </el-form-item>
        </el-col>
      </el-row>
    </el-form>
    <template #footer>
      <el-button @click="handleClose">取消</el-button>
      <el-button type="primary" @click="addApplication">确定</el-button>
    </template>
  </el-dialog>

  <!-- 用车申请列表 搜索卡片 -->
  <el-card style="margin: 20px;">
    <el-form style="padding-top:10px;">
      <el-row :gutter="30">
        <el-col :span="5">
          <el-form-item label="出发地">
            <el-input placeholder="请输入出发地" v-model="searchApplication.departureAddr"></el-input>
          </el-form-item>
        </el-col>
        <el-col :span="5">
          <el-form-item label="目的地">
            <el-input placeholder="请输入目的地" v-model="searchApplication.destinationAddr"></el-input>
          </el-form-item>
        </el-col>
        <el-col :span="5">
          <el-form-item label="申请单状态">
            <el-select placeholder="请选择" v-model="searchApplication.status">
              <el-option v-for="item in appOptions" :label="item.label" :value="item.value"></el-option>
<!--              <el-option label="已发起" value="10"></el-option>-->
<!--              <el-option label="撤销" value="20"></el-option>-->
<!--              <el-option label="审核中" value="30"></el-option>-->
<!--              <el-option label="驳回" value="40"></el-option>-->
<!--              <el-option label="已通过" value="50"></el-option>-->
<!--              <el-option label="分配用车" value="60"></el-option>-->
<!--              <el-option label="工单结束" value="70"></el-option>-->
            </el-select>
          </el-form-item>
        </el-col>
        <el-col :span="5">
          <el-form-item>
            <el-button @click="resetSearch">重置</el-button>
            <el-button type="primary" @click="loadApplication">查询</el-button>
          </el-form-item>
        </el-col>
      </el-row>
    </el-form>
  </el-card>
  <!-- 用车申请表格 -->
  <el-card style="margin:20px">
    <el-table :data="tableData">
      <el-table-column type="index" width="80" align="center" prop="id" label="编号"></el-table-column>
      <el-table-column align="center" prop="username" label="申请人"></el-table-column>
      <el-table-column align="center" prop="departureAddr" label="出发地"></el-table-column>
      <el-table-column align="center" prop="destinationAddr" label="目的地"></el-table-column>
      <el-table-column align="center" prop="reason" label="用车原因"></el-table-column>
      <el-table-column align="center" prop="auditUsernameList" label="审批人"></el-table-column>
      <el-table-column align="center" prop="startTime" label="使用开始时间"></el-table-column>
      <el-table-column align="center" prop="endTime" label="使用结束时间"></el-table-column>
      <el-table-column align="center" prop="status" label="申请单状态" :formatter="appStatusFormatter"></el-table-column>
      <el-table-column label="操作" width="120" align="center">
        <template #default="scope">
          <!-- 只有申请单状态为"已发起"的时候才可以撤销,其它状态下撤销按钮需要禁用 -->
          <el-button type="primary" size="small" link
          :disabled="scope.row.status!=10" @click="cancel(scope.row.id)">撤销</el-button>
        </template>
      </el-table-column>
    </el-table>

  </el-card>
</template>
<script setup>
import {onMounted, ref} from "vue";
import axios from "axios";
import {ElMessage} from "element-plus";
import qs from "qs";
//定义变量控制创建申请单弹窗是否出现
const addApplicationDialogVisible = ref(false);

//获取当前登录的用户信息
const user = ref(getUser());
//定义数组用来保存新增申请单表单中的审批人
const auditUserOpts = ref([]);
//定义数组用来保存新增申请单时,对应审批人的用户id,入库使用
const auditUserIdList = ref([]);
//定义加载审批人数据的方法
const loadAuditUser = () => {
  //获取当前登录用户的直属领导id
  let parentId = user.value.parentId;
  //以直属领导id为条件查出当前登录人的直属领导与上上级
  axios.get(BASE_URL+'/v1/user/select/audit/'+parentId).then((response) => {
    if (response.data.code == 2000) {
      auditUserOpts.value = response.data.data;
      //需要依次取出每个审批人领导的id,存入上方的auditUserIdList数组中,供新增申请单时使用
      for (let i = 0; i < auditUserOpts.value.length; i++) {
        auditUserIdList.value.push(auditUserOpts.value[i].id);
      }
    }
  })
}
onMounted(() => {
  //因为当前申请人(登录人)的直属领导数据短时间内不会更改,所以只需要在页面加载时请求一次即可,无需重复请求
  loadAuditUser();
})
//定义数组用来保存新增申请单表单中的起止时间,注意:这个数组中包含开始时间与结束时间!
const times = ref([]);
//定义对象用来保存新增申请单表单中的数据
const addForm = ref({
  departureAddr: '', //出发地
  destinationAddr: '',//目的地
  reason: '',//用车原因
  remark:''//备注
});
//定义方法向后端发送新增申请单的请求
const addApplication = ()=>{
  if(fileList.value.length==0){
    ElMessage.error('请上传驾照图片!');
    return;
  }
  //从upload图片上传组件中获取上传图片的路径 fileList.value[0]是第一个图片对象
  addForm.value.imgUrl = fileList.value[0].response.data;
  addForm.value.userId = user.value.id;//给表单对象设置当前登录用户的id
  addForm.value.username = user.value.username;//给表单对象设置当前登录用户的姓名
  addForm.value.startTime = times.value[0];//给表单对象设置用车开始时间
  addForm.value.endTime = times.value[1];//给表单对象设置用车结束时间
  /*注意:审批人id集合是需要一起给到后端的,因为事务性新增,审批表的数据也需要一起新增!*/
  addForm.value.auditUserIdList = auditUserIdList.value;
  console.log(addForm.value);
  let data = qs.stringify(addForm.value);
  axios.post(BASE_URL+'/v1/application/save',data).then((response)=>{
    if(response.data.code == 2000){
      ElMessage.success('申请成功!');
      addApplicationDialogVisible.value = false;//关闭弹窗
      times.value = [];//清空日期时间选择器中的数据
      fileList.value = [];//清空图片上传组件的数据
      addForm.value = {};//其他项清空
      //新增申请单后,需要重新加载所有的申请数据!!!
      loadApplication();
    }else{
      ElMessage.error(response.data.msg);
    }
  })
}
//定义处理弹窗关闭的方法
const handleClose = ()=>{
  if(confirm('确认关闭弹窗吗?')){
    addApplicationDialogVisible.value = false;//关闭弹窗
    times.value = [];//清空日期时间选择器中的数据
    fileList.value = [];//清空图片上传组件的数据
    addForm.value = {};//其他项清空
  }
}

/**图片上传相关代码开始**/
const fileList = ref([]);
const dialogImageUrl = ref('');
const dialogVisible = ref(false);
//定义变量用来保存图片上传给哪个后端接口地址
const actionUrl = ref(BASE_URL + '/v1/file/upload');
//移除图片
const handleRemove = (uploadFile, uploadFiles) => {
  console.log(uploadFile, uploadFiles);
  //1.得到要删除的图片路径 uploadFile就是我们要删除的那个图片文件对象
  let imgUrl = uploadFile.response.data;
  //2.给后端发请求,删除图片
  axios.post(BASE_URL + '/v1/file/remove?imgUrl=' + imgUrl)
      .then((response) => {
        if (response.data.code == 2000) {
          ElMessage.success('删除成功!');
        }
      })
}
//图片上传后预览
const handlePictureCardPreview = (uploadFile) => {
  dialogImageUrl.value = uploadFile.url
  dialogVisible.value = true;
  console.log(uploadFile);
  //console.log(fileList.value[0].response.data);
}
/**图片上传相关代码结束**/

//准备数组对象用来保存申请单表格中的数据
const tableData = ref([]);
//准备对象用来保存申请单搜索条件
const searchApplication =  ref({
  departureAddr: '',
  destinationAddr: '',
  status:''
})
//定义加载申请单的方法
const loadApplication = ()=>{
  let data = qs.stringify(searchApplication.value);
  axios.get(BASE_URL+'/v1/application/select?'+data).then((response)=>{
    if(response.data.code == 2000){
      tableData.value = response.data.data;
    }else{
      ElMessage.error(response.data.msg);
    }
  })
}
//定义重置搜索的方法
const resetSearch = ()=>{
  searchApplication.value = {};
  loadApplication();
}
//一进入页面就加载申请单
onMounted(()=>{
  loadApplication();
})

//准备数组用来保存申请单状态字典项
const appOptions = ref([]);
//一进到页面立即根据字典code载申请单状态字典项
onMounted(()=>{
  loadDictOption(appOptions,'application_status');
})
//定义方法用来转换表格列的显示文字,将申请单状态替换为字典项的文字
const appStatusFormatter = (row, column, cellValue, index) => {
  if(!appOptions.value){//如果字典项数组里没有值
    return cellValue;//直接返回当前单元格的值,此处是申请单的状态值,如 10
  }
  //如果字典项数组里有值,就遍历出每个字典项
  for(let item of appOptions.value){
    if(item.value == cellValue){//若遍历到字典项的值与当前单元格的值一致
      cellValue = item.label;//就将当前单元格值的修改为当前遍历到的字典项文字
    }
  }
  return cellValue;//将修改完的单元格值返回
}

//定义撤销用车申请的方法
const cancel = (id) =>{
  axios.post(BASE_URL+'/v1/application/cancel/'+id).then((response)=>{
    if(response.data.code == 2000){
      ElMessage.success('撤销成功!');
      loadApplication();//撤销后需要重新加载更改了的申请单数据
    }else{
      ElMessage.error(response.data.msg);
    }
  })
}
</script>

<style scoped>
</style>